A student-designed an experiment to determine if the length of the stick's shadow would change during the year. The shadow of the stick was measured at noon on the 20th of each month. Below is a table that shows the results of the experiment. What is the dependent variable in this investigation?

According to social exchange theory, altruistic behaviors benefit the individual who performs them. t/f

What is the increase in density of a medium due to wave travel?

Because atoms of elements in the same group of thbecause atoms of elements in the same group of the periodic table have the same number of neutrons, they have similar properties. select the best answer from the choices provided t fe periodic table have the same number of neutrons, they have similar properties. select the best answer from the choices provided t f